"There is only one hospital in the country that specialises in refeeding patients at such a low body weight and it’s my mission to get her there. If she receives too many calories her metabolism will kick up and she will lose even more weight. This is a VERY delicate medical situation," he writes.

Rachael has had multiple blood transfusion, blood clots, edema and has suffered heart, liver and kidney failure as a result of her eating disorder.

Rod describes his wife as "a captivating, kind and amazing woman that has always put others before herself."

Urging anyone suffering anorexia to get help, he adds: "This disease comes with an incredible amount of pain, emotionally, physically and mentally but it is often oversimplified.

"People think it's just about being skinny and that they just need to eat something and it will be all better.

"The reality is people are hurting so much that they're trying to make themselves disappear, and if we ignore it we let them. I don't want this fate for my wife."